/*
 * ====================================================================
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 */
package java.cn.z.example;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.InputStreamEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

import java.io.File;
import java.io.FileInputStream;
/**
 * Example how to use unbuffered chunk-encoded POST request.
 */
public class ClientChunkEncodedPost {
	public static void main(String[] args) throws Exception {
		if (args.length != 1) {
			System.out.println("File path not given");
			System.exit(1);
		}
		CloseableHttpClient httpclient = HttpClients.createDefault();
		try {
			HttpPost httppost = new HttpPost("http://httpbin.org/post");
			File file = new File(args[0]);
			InputStreamEntity reqEntity = new InputStreamEntity(new FileInputStream(file), -1, ContentType.APPLICATION_OCTET_STREAM);
			reqEntity.setChunked(true);
			// It may be more appropriate to use FileEntity class in this particular
			// instance but we are using a more generic InputStreamEntity to demonstrate
			// the capability to stream out data from any arbitrary source
			//
			// FileEntity entity = new FileEntity(file, "binary/octet-stream");
			httppost.setEntity(reqEntity);
			System.out.println("Executing request: " + httppost.getRequestLine());
			CloseableHttpResponse response = httpclient.execute(httppost);
			try {
				System.out.println("----------------------------------------");
				System.out.println(response.getStatusLine());
				System.out.println(EntityUtils.toString(response.getEntity()));
			}
			finally {
				response.close();
			}
		}
		finally {
			httpclient.close();
		}
	}
}
